The history of pot

December 6, 2012

Justin Sullivan/Getty Images

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Alternative Herbal Health Services worker Jason Beck packages medical marijuana April 24, 2006 in San Francisco, after the Food and Drug Administration issued a statement declaring that there is no scientific evidence supporting use of the drug for medical treatment.

Justin Sullivan/Getty Images

32of33

Alternative Herbal Health Services worker Jason Beck packages medical marijuana April 24, 2006 in San Francisco, after the Food and Drug Administration issued a statement declaring that there is no scientific evidence supporting use of the drug for medical treatment.